<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on"
             label-position="left">

      <div class="title-container">
        <h3 class="title">用户登录</h3>
      </div>
      <el-form-item prop="username">
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="请输入用户名"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
          @blur="checkUsername"
        >
          <template slot="prepend"><i class="el-icon-user"></i></template>
        </el-input>
      </el-form-item>

      <el-form-item prop="password">
        <el-input
          key="password"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          autocomplete="on"
          @blur="capsTooltip = false"
          @keyup.enter.native="handleLogin"
        >
          <template slot="prepend"><i class="el-icon-lock"></i></template>
          <template slot="append"><i @click="showPwd()" class="el-icon-view"></i></template>
        </el-input>
      </el-form-item>

      <el-button :loading="loading" type="primary" class="login-btn" @click.native.prevent="handleLogin">登 录</el-button>
    </el-form>
  </div>
</template>

<script>
  export default {
    name: 'Login',
    data() {
      return {
        loginForm: {
          username: '',
          password: '',
          orgId: ''
        },
        loginRules: {
          username: [{required: true, trigger: 'blur', message: '请输入用户名'}],
          password: [{required: true, trigger: 'blur', message: '请输入密码'}]
        },
        loading: false,
        passwordType: 'password',
      }
    },
    mounted() {
      if (this.loginForm.username === '') {
        this.$refs.username.focus()
      } else if (this.loginForm.password === '') {
        this.$refs.password.focus()
      }
    },
    methods: {
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            // 调登陆方法,登录完成之后,把token存起来,然后跳转首页
            sessionStorage.setItem('zhanyun.token', 'token')
            this.$router.push('/')
          }
        })
      },
      checkUsername() {
      },
      showPwd() {
        if (this.passwordType === 'password') {
          this.passwordType = ''
        } else {
          this.passwordType = 'password'
        }
        this.$nextTick(() => {
          this.$refs.password.focus()
        })
      }
    }
  }
</script>

<style lang="scss">
  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

  $bg: #283443;
  $light_gray: #fff;
  $cursor: #fff;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
      color: $cursor;
    }
  }

  /* reset element-ui css */
  .login-container {
    .el-input-group__append, .el-input-group__prepend {
      background-color: unset;
      border: unset;

      i {
        font-size: 20px;
      }
    }

    .el-input-group__prepend {
      padding: 0 5px 0 20px;
    }

    .el-input-group__append {
      padding: 0 20px 0 5px;

      i {
        cursor: pointer;
      }
    }

    .el-input {
      height: 47px;
      width: 100%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;

        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: $cursor !important;
        }
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }

    .login-btn {
      width:100%;
      margin-bottom:30px;
    }
  }
</style>

<style lang="scss" scoped>
  $bg: #2d3a4b;
  $dark_gray: #889aa4;
  $light_gray: #eee;

  .login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
      position: relative;
      width: 520px;
      max-width: 100%;
      padding: 160px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .title-container {
      position: relative;

      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }

    .thirdparty-button {
      position: absolute;
      right: 0;
      bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
      .thirdparty-button {
        display: none;
      }
    }
  }
</style>
